Air cleaner



FIG. 1 is a front, right, and top perspective view of an air cleaner, showing our design.

FIG. 2 is a rear, left, and bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlarged detail view of the encircled area of FIG. 1 labeled “9”.

The broken lines illustrate portions of the air cleaner that form no part of the claimed design. 

CLAIM The ornamental design for an air cleaner, as shown and described. 